Click the Character 
button.
Click the Upper Body 
button.
Click the Modify tab in the file manager.
Use the slider bars to adjust brightness, contrast, hue, and saturation of the current upper body.
To adjust the clothing color of a character's upper body:
Click the Character button.
Click the Upper Body button.
Click the Modify tab in the file manager.
Use the slider bars to adjust brightness, contrast, hue, and saturation of the current upper body.
If you like to keep the result for later use, click the
Add 
button to add the upper body to the Custom tab.